[DIRSERVER-2231] NPE in AbstractBTreePartition when cacheService is not used

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-M24
• Fix Version/s: 2.0.0.AM25
• Component/s: core
• Assignee: Unassigned
• Reporter: Jan Kalina
• Created: 03/Apr/18 14:26
• Updated: 03/Apr/18 16:59
• Resolved: 03/Apr/18 16:59

Description

When trying to use DirectoryService without cacheService, following NullPointerException occure:

java.lang.NullPointerException
org.apache.directory.server.core.partition.impl.btree.AbstractBTreePartition.buildEntryDn(AbstractBTreePartition.java:2606)
org.apache.directory.server.core.partition.impl.btree.AbstractBTreePartition.fetch(AbstractBTreePartition.java:1424)
org.apache.directory.server.core.partition.impl.btree.AbstractBTreePartition.saveContextCsn(AbstractBTreePartition.java:3636)
org.apache.directory.server.core.partition.impl.btree.AbstractBTreePartition.lookup(AbstractBTreePartition.java:1393)
org.apache.directory.server.core.shared.partition.DefaultPartitionNexus.lookup(DefaultPartitionNexus.java:464)
org.apache.directory.server.core.exception.ExceptionInterceptor.add(ExceptionInterceptor.java:160)
org.apache.directory.server.core.api.interceptor.BaseInterceptor.next(BaseInterceptor.java:341)
org.apache.directory.server.core.admin.AdministrativePointInterceptor.add(AdministrativePointInterceptor.java:1189)
org.apache.directory.server.core.api.interceptor.BaseInterceptor.next(BaseInterceptor.java:341)
org.apache.directory.server.core.authz.AciAuthorizationInterceptor.add(AciAuthorizationInterceptor.java:518)
org.apache.directory.server.core.api.interceptor.BaseInterceptor.next(BaseInterceptor.java:341)
org.apache.directory.server.core.referral.ReferralInterceptor.add(ReferralInterceptor.java:247)
org.apache.directory.server.core.api.interceptor.BaseInterceptor.next(BaseInterceptor.java:341)
org.apache.directory.server.core.authn.AuthenticationInterceptor.add(AuthenticationInterceptor.java:335)
org.apache.directory.server.core.api.interceptor.BaseInterceptor.next(BaseInterceptor.java:341)
org.apache.directory.server.core.normalization.NormalizationInterceptor.add(NormalizationInterceptor.java:131)
org.apache.directory.server.core.DefaultOperationManager.add(DefaultOperationManager.java:397)
org.apache.directory.server.core.shared.DefaultCoreSession.add(DefaultCoreSession.java:211)
org.apache.directory.server.core.shared.DefaultCoreSession.add(DefaultCoreSession.java:188)
org.wildfly.security.sasl.gssapi.TestKDC.startDirectoryService(TestKDC.java:104)

From source it looks null entryDnCache should be supported, as there is condition for null cacheService:
https://github.com/apache/directory-server/blob/2.0.0-M24/xdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/AbstractBTreePartition.java#L600